4–6 EPM 9450/9650 ADVANCED POWER QUALITY METERING SYSTEM – INSTRUCTION MANUAL
WIRING DIAGRAMS CHAPTER 4: ELECTRICAL INSTALLATION
4.5 Wiring Diagrams
Choose the diagram that best suits your application. Diagrams appear on the following
pages. If the connection diagram you need is not shown, contact GE for a custom
Connection diagram.
Note
If you purchased a system voltage option "B" EPM 9450/9650 meter for a 300 Volt
secondary, be sure to enable the option on the CT and PT screen of the GE Communicator
software's Device Profile (see the GE Communicator Instruction Manual for instructions). Do
not use the “B” option with PTs. It is intended for direct Voltage connection, only.
Figure # Description
4.2 4-Wire Wye, 3-Element Direct Voltage with 4 CTs
4.3 4-Wire Wye, 3-Element with 3 PTs and 4 CTs
4.4 4-Wire Wye, 3-Element with 3 PTs and 3 CTs
4.5 3-Wire, 2-Element Open Delta with 2 PTs and 3 CTs
4.6 3-Wire, 2-Element Open Delta with 2 PTs and 2 CTs
4.7 3-Wire, 2-Element Delta Direct Voltage with 3 CTs
4.8 3-Phase, 4-Wire Wye, 2.5 Element with 2 PTs and 3 CTs
4.9 4-Wire, 3-Element Grounded Delta with 4 CTs - B Option
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